3u+(-2)=-20

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Solution for 3u+(-2)=-20 equation:



3u+(-2)=-20
We move all terms to the left:
3u+(-2)-(-20)=0
We add all the numbers together, and all the variables
3u+18=0
We move all terms containing u to the left, all other terms to the right
3u=-18
u=-18/3
u=-6

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